Answer:
Step-by-step explanation:
r = 12 cm
Theta = 62
Length of arc = 

= 12.98 cm
Answer:
The length will be multiplied by 2.
Step-by-step explanation:
By looking at the first and third ratio, we know that the no. of birck have been multiplied by 2 and the length has also been multiplied by 2 .
So when the number of bricks is multiplied by 2, the length is multiplied by 2
(7, 3) is the answer I believe